When Volcanoes Threaten, Scientists WarnScientists use volcanoes’ pre-eruptive behaviors, such as increasing seismic activity, to warn that an eruption may be imminent. But what happens when a volcano doesn’t explode, and people begin to think the scientists are crying wolf? Enter the case of Tungurahua, Ecuador.Theofilos Toulkeridis, Robert Buchwaldt and Aaron Addison

Yellowstone and Heise: Supervolcanoes That Lighten UpNew studies of the volcanic rocks from previous eruptions of the Yellowstone supervolcano and its predecessors give researchers insight into possible future eruptions at America’s first national park.Kathryn Watts

Danger Lurks Deep: The Human Impact of VolcanoesMassive volcanic eruptions may be rare, but they can be deadly, as millions of people live in the shadow of a volcano. A new analysis examines which parts of eruptions are the most hazardous to humans.Joanne Feldman and Robert I. Tilling

Geotimes
Poll:
Have you taken a "carbon footprint" survey to see what influence your lifestyle has on Earth?

Yes, and I've changed my behavior
Yes, but it didn't change anything
No

TRENDS & INNOVATIONSFinding Minerals Beneath the Deep Blue Sea Print ExclusiveAs the prices of minerals rise and the technologies to find them improve, some companies are beginning to explore a new frontier — beneath the sea.Nicole Branan

EDUCATION & OUTREACHStudents Change Their LifestylesThanks to the Lifestyle Project, which tests students’ eco-awareness and then challenges them to make changes, students are realizing that even minor changes in behavior can help the environment.Nicole Branan

viewsA COMMENT ON ... Coastal Development: The Galveston Case, Part IIThe world’s coastlines are being developed, despite calls from scientists to protect natural systems. The public needs to heed these calls, or disaster could await.Jim Gibeaut

GEOLOGIC COLUMNYou Must Remember This …Those pesky mnemonic devices you learned in grade school can come in handy in college and at work when trying to remember everything from the planets’ order to rock hardness.Lisa A. Rossbacher